光合作用对光和CO2响应模型的研究进展

叶子飘

A review on modeling of responses of photosynthesis to light and CO2

YE Zi-Piao

表1 四个光响应模型拟合温度在20 ℃、CO2浓度在365 μmol·mol-1条件下冬小麦的实测值(引自文献Yu et al., 2004)与拟合结果

Table 1 Results fitted by four models of light-response curve of photosynthesis and measured values for Triticum aestivum at 30 ℃ and 365 μmol·mol-1 CO2 concentration (Cited from Yu et al., 2004)

光合参数 Photosynthetic parameters 初始斜率 Initial slope α 最大净光合速率 Pnmax (μmol·m-2·s-1) 饱和光强 Isat (μmol·m-2·s-1) 光补偿点 Ic (μmol·m-2·s-1) 暗呼吸速率 Rd (μmol·m-2·s-1) 决定系数 Determination coefficient R2 直角双曲线 Rectangular hyperbola 0.076 31.01 671.25* 27.08 -1.93 0.996 2 非直角双曲线 Non-rectangular hyperbola 0.055 26.78 583.18* 23.10 -1.25 0.998 9 指数方程 *** Exponential equation*** 0.058 24.40 1 288.80** 23.03 -1.30 0.999 1 修正的直角双曲线 Modified rectangular hyperbola 0.062 22.76 1 799.18 23.75 -1.43 0.999 2 测量数据 Measured data 无 None $\approx $22.87 $\approx $1 800 ≈20 -1.25 无 None